Fix some jank during shrink animation

* Prevent call updates while animation is running
* Create hardware layers for animating views before animation starts.
Alpha animations on the text elements require a hardware layer to
be built beforehand. Do this before the animation starts instead of after
the first frame is drawn.

Change-Id: I21a8a9096f36adc4688597f7469a2f05a1b5234c
4 files changed
tree: 4ba27ffb5dc405cd018e0ea972b850c75f526234
  1. InCallUI/